2018
April
2017
December
October
- October 29, 2017 » Sublime shortcuts
- October 29, 2017 » Protect images downloading
- October 29, 2017 » How to prevent bots indexing images folder or file
- October 29, 2017 » Checklists for Software Development
- October 29, 2017 » How to use scp command with Vagrant machine
- October 29, 2017 » CSS web fonts
- October 28, 2017 » PostgreSQL geometric types
- October 28, 2017 » PostgreSQL console
- October 28, 2017 » PG citext type: case-insensitive text
- October 28, 2017 » How to use pgBadger to extract information from PostrgeSQL logs
- October 28, 2017 » How to install and activate statistics in PostgreSQL
- October 28, 2017 » Checkout a file from another branch
- October 28, 2017 » devise_token_auth with an existing Rails application
- October 28, 2017 » Smart way to fetch a value from a hash (array) giving a default value if key is missing
- October 28, 2017 » Testing sanitization of user entries
- October 28, 2017 » Rescue + else
- October 28, 2017 » Pass block to before_action filter
- October 28, 2017 » Move uniqueness validation with scope to database constraint
- October 28, 2017 » HashWithIndiferentAccess
- October 28, 2017 » DB Schema with uuids
- October 28, 2017 » Add watermark with CarrierWave
- October 28, 2017 » Add sensible data in secrets file
- October 5, 2017 » How to use regex in sublime to find posts by category
- October 5, 2017 » sockets in Ruby
- October 5, 2017 » Rails performance considerations
- October 5, 2017 » How to execute a ruby script outside project root folder
September
August
July
June
- June 30, 2017 » Ping a range of addresses in MSDOS
- June 30, 2017 » Scope of a range of dates
- June 30, 2017 » Ruby functions with optional parameters
- June 30, 2017 » Prepare destination to deploy with mina
- June 30, 2017 » New app with RVM
- June 30, 2017 » Nginx redirection routes
- June 30, 2017 » How to manually detect and ban the attacker ips
- June 30, 2017 » How to block php requests in Nginx
- June 30, 2017 » RVM hook to binstubs
- June 30, 2017 » How to hide exceeding text in CSS
- June 1, 2017 » How to include helpers in views directly
May
April
March
- March 13, 2017 » Metaprogramming Ruby
- March 13, 2017 » Mastering Ruby exceptions
- March 13, 2017 » instalación ShareTribe en local
- March 13, 2017 » How to render html from controller action responding to pdf format
- March 13, 2017 » How to create table of content in markdown file
- March 13, 2017 » How to check process is running from its pid number, in Ruby
- March 13, 2017 » How to check if a process is running in Ruby
- March 13, 2017 » Dynamic Rails error pages
- March 13, 2017 » Disable turbolinks in specific links
- March 13, 2017 » About presenters (view objects)
- March 13, 2017 » 6 Ways to Run Shell Commands in Ruby
- March 13, 2017 » [emerg]: bind() to 0.0.0.0:80 failed (98: Address already in use)
- March 13, 2017 » List Linux machine reboots
- March 13, 2017 » How to check process is running from its pid number, in bash
- March 13, 2017 » Difference between &, disown, NOHUP
- March 13, 2017 » Allowing Nginx to use a Puma/Unicorn UNIX socket with SELinux
- March 13, 2017 » Grep to find duplicated css
- March 11, 2017 » The % notation in ruby
- March 11, 2017 » Useful bash commands
January
- January 28, 2017 » PostgreSQL issue on Centos 7
- January 28, 2017 » Finding active sessions or connections in PostgreSQL
- January 28, 2017 » Upload files to dropbox with dropbox_uploader
- January 28, 2017 » Sublime Pluggin for ERB templates
- January 28, 2017 » Squash my last X commits together using Git
- January 28, 2017 » How to remove a file from git commits
- January 28, 2017 » Git Interactive Rebase, Squash, Amend and Other Ways of Rewriting History
- January 28, 2017 » start stop delayed_job with monit
- January 28, 2017 » Delayed job best practices
- January 28, 2017 » Mount shared folder in windows into linux
- January 28, 2017 » Add a new disk to Virtualbox machine
- January 28, 2017 » Use Rails url helpers inside a module
- January 28, 2017 » Rails time in time_zone
- January 28, 2017 » Rails constraints to limit mime types responses
- January 28, 2017 » Mini profiler in staging
- January 28, 2017 » Execute shell commands from ruby
- January 28, 2017 » Encode string for url in ruby
- January 28, 2017 » Ejemplo JBuilder
- January 28, 2017 » Automated Tasks with Rake
- January 28, 2017 » ActiveRecord query with regexp
- January 28, 2017 » SysAdmin strace for tracing rake assets precompilation
- January 28, 2017 » SELinux issues with nginx
- January 28, 2017 » IPTABLES updating
- January 28, 2017 » Finding and copying files keeping folder structure
- January 28, 2017 » Deshabilitar descarga automatica de updates en Fedora
- January 28, 2017 » Usar devise current_user en tests
- January 28, 2017 » Aggregate failures with RSpec
- January 27, 2017 » Upload shared gitignored files with mina
2016
September
August
- August 29, 2016 » List gems in RVM gemsets
- August 29, 2016 » GIT log with dates
- August 29, 2016 » GIT list tags with dates
- August 29, 2016 » Rails routes constraints
- August 29, 2016 » Convert seconds to d h m
- August 29, 2016 » Benchmarking in ruby
- August 29, 2016 » GIT coloured prompt
- August 29, 2016 » Filter files by date with bash
- August 29, 2016 » Developer's machine setup
- August 29, 2016 » How to put colors in LESS
- August 28, 2016 » Increase team productivity reviewing pull requests locally. How to git pull remote pull requests
- August 28, 2016 » Recursively travers folders and change file name
- August 28, 2016 » RSpec improvements in speed with focus
- August 28, 2016 » How to eliminate values from params hash that are not valid option keys
- August 28, 2016 » Default values, required arguments, keyword arguments and splats in Ruby
- August 28, 2016 » 4 Simple Memoization Patterns in Ruby (and One Gem)
- August 28, 2016 » While Loop in bash
- August 28, 2016 » WRK: HTTP BENCHMARKING TOOL
- August 28, 2016 » Useful networking commands
- August 28, 2016 » Traverse folders recursively and replace 1st line of text files
- August 28, 2016 » Substitute 1st line
- August 28, 2016 » Print gateway IP addr
- August 28, 2016 » Nginx netstat
- August 28, 2016 » Security limits
- August 28, 2016 » How to execute script/command at boot time
- August 28, 2016 » Get and set default target
- August 28, 2016 » Find ports used by tcp for services imap3 and imaps
- August 28, 2016 » Find files by name and delete them
- August 28, 2016 » Find files by name and copy them
- August 28, 2016 » Duplicate files with another extension
- August 28, 2016 » Add line to text files that contains some pattern
- August 28, 2016 » 12 extremely useful hacks for JavaScript
July
May
- May 31, 2016 » Non-Transparent Elements Inside Transparent Elements
- May 30, 2016 » How to get last registers of each group in PostgreSQL
- May 30, 2016 » How to change sidebar font size in SublimeText3
- May 30, 2016 » Scope with aggregate functions on associations
- May 30, 2016 » Rails load js scripts per controller
- May 30, 2016 » Rails extend vs include
- May 30, 2016 » How to use assset helpers in a controller
- May 30, 2016 » How to set defaults options for rails server command
- May 30, 2016 » How to merge arrays in Ruby
- May 30, 2016 » How to downgrade a gem in Rails
- May 30, 2016 » How to call class methods from instance methods
- May 30, 2016 » Custom devise mails
- May 30, 2016 » How to prevent zooming to much in Google Maps API
- May 30, 2016 » How to move the viewport in JS
- May 30, 2016 » How to fix at top some element as it is scrolled up
- May 30, 2016 » How to fit bounds in Google Maps
- May 30, 2016 » Detecting scroll position with JS
- May 30, 2016 » How to detect screen movement reaching top
- May 30, 2016 » How to add event listeners in JS
- May 30, 2016 » JavaScript Debounce Function
- May 30, 2016 » MediaQuery for Bootstrap Collapse Menu Button
- May 9, 2016 » Vagrant
- May 9, 2016 » Upgrade Guest Additions in Vagrant box
- May 9, 2016 » Top 8 tools for Ruby on Rails code optimization and cleanup
- May 9, 2016 » Use namespacing to make REST controllers
- May 9, 2016 » Rails helper to create links
- May 9, 2016 » Nested layouts in Rails
- May 9, 2016 » How to test policy scopes
- May 9, 2016 » Five Ruby Methods You Should Be Using
- May 9, 2016 » SSH, SSH-AGENT and security
- May 9, 2016 » Linux useful commands
- May 9, 2016 » How to check glibc version in Linux
- May 9, 2016 » DROPBOX command line in linux
- May 9, 2016 » Bash colors
- May 9, 2016 » Stop spec_helper from being loaded multiple times
- May 9, 2016 » Cluster-icons-for-maps
- May 9, 2016 » Centering vertically with CSS
- May 9, 2016 » Bootstrap Glyphicons
- May 2, 2016 » GeoHash
- May 2, 2016 » Time lapse between dates
- May 2, 2016 » Retry when rescue from error
- May 2, 2016 » How to create new rails app using rvm
- May 2, 2016 » Implement MINA for deploying in existing app
- May 2, 2016 » How to include subfolders in assets
- May 2, 2016 » How to combine hashes without data loss
- May 2, 2016 » Get random array element
- May 2, 2016 » Cluster array - group adjacent values
- May 2, 2016 » Good reasons to replace db/schema.rb with db/structure.sql
- May 2, 2016 » Passwordless sudo commands
- May 2, 2016 » How to change timezone in Linux
- May 2, 2016 » How to pass all input fields of a form to a http request with jQuery
- May 2, 2016 » How to fill a DOM list/dropdown list in jquery
- May 2, 2016 » Test Pundit policies with RSpec
- May 2, 2016 » How to list all notes in code
- May 2, 2016 » Rails routes en web
- May 2, 2016 » How to test actions that redirect to request.referer
- May 2, 2016 » How to create a bunch of records with FactoryGirl
- May 2, 2016 » Capistrano task to open rails console
February
- February 20, 2016 » Config to log request parameters
- February 20, 2016 » How to solve RVM ERROR GEM_PATH NOT SET
- February 20, 2016 » Rake assets:precompile error with EXECJS runtime error
- February 20, 2016 » What is needed to precompile assets locally?
- February 20, 2016 » List models
- February 20, 2016 » How to pass a method to a partial
- February 20, 2016 » How to filter registers whose has many association is empty
- February 20, 2016 » How to export data in a seeds data file format
- February 20, 2016 » Get table names inside a database
- February 20, 2016 » Feeding data with a custom seed file
- February 20, 2016 » NODEJS installation in Fedora
2015
December
November
- November 25, 2015 » How to untrack a folder locally in git and push to production without deleting it
- November 25, 2015 » Start Sinatra or NestaCMS application
- November 25, 2015 » Humanize seconds in Ruby
- November 25, 2015 » How to load Google fonts with SSL
- November 25, 2015 » How to clear session variables in Rails
- November 25, 2015 » Change model validation error message
- November 25, 2015 » CKEditor toolbars configuration in Rails
- November 25, 2015 » How to find and colour a pattern in a text file with grep
- November 19, 2015 » GIT REBASE: Move one branch ahead
- November 1, 2015 » Install Virtual Box Guest Additions
- November 1, 2015 » Rails - uniqueness validation on several columns
- November 1, 2015 » ActiverRecord update possibillities in Rails 4
- November 1, 2015 » Text files manipulation in Linu
- November 1, 2015 » Reduce cpu load during deployment controlling the niceness of linux processes
- November 1, 2015 » How to connect a usb memory stick to linux
- November 1, 2015 » Perfect Full Page Background Image
- November 1, 2015 » Centering Percentage Width/Height Elements
- November 1, 2015 » Beveled class in CSS
October
- October 26, 2015 » Change sidebar font size in Sublime
- October 20, 2015 » Multiple has_many associations beetween same tables
- October 18, 2015 » Rails text helpers
- October 18, 2015 » ftp server in fedora
- October 13, 2015 » Server-Sent Events with Rails 4
- October 12, 2015 » Google analytics in Rails
- October 12, 2015 » Specify order in has_many association
- October 12, 2015 » SQL Server with Rails
- October 12, 2015 » Folders size
- October 12, 2015 » Boot and GRUB
- October 11, 2015 » Push notifications with Sinatra
- October 7, 2015 » Sum array elements in Ruby
- October 6, 2015 » Postgres service
- October 6, 2015 » Postgresql installation
- October 6, 2015 » Change Postgres port on Fedora
- October 6, 2015 » Byobu
- October 6, 2015 » List branches ordered by date
- October 6, 2015 » How to create a photo video with music
- October 6, 2015 » Get an array of one field of each record in ruby
- October 6, 2015 » Best method to sort an array in ruby
- October 6, 2015 » nmap - Network mapper
- October 6, 2015 » Keep pinging until host is known
- October 6, 2015 » JS debugging techniques and tricks
- October 6, 2015 » CSS tables
- October 6, 2015 » Bootstrap - hidden columns
September
- September 15, 2015 » W8-W10 no reconoce CD/DVD-ROM
- September 15, 2015 » Scheduling jobs with cron
- September 15, 2015 » Linux monitoring tools - load average
- September 15, 2015 » Monitoring Linux system with TOP
- September 15, 2015 » Background and foreground processes, managing and scheduling
- September 13, 2015 » Capistrano formatted output prettyfied with Airbrush
- September 9, 2015 » Check_box_tag for collections
- September 9, 2015 » Working with compression
- September 8, 2015 » Move a local branch to the head
- September 8, 2015 » 67WEBS Procedures handbook
- September 7, 2015 » Random numbers generator
- September 7, 2015 » Hide standard output
- September 7, 2015 » Creating temporary files and folders
- September 7, 2015 » String manipulation in Bash
- September 7, 2015 » Redirecting errors in Bash
- September 7, 2015 » Loops in Bash
- September 7, 2015 » Debug mode in Bash
- September 7, 2015 » Case statement in Bash
- September 7, 2015 » Boolean comparision in Bash
- September 6, 2015 » Automatic postgresql database backup
- September 3, 2015 » Rails binstubs vs bundler binstubs
- September 3, 2015 » Capistrano & whenever
- September 2, 2015 » sudo: no tty present and no askpass program specified
- September 2, 2015 » Capistrano environment variables
- September 2, 2015 » Capistrano deployment workflow
August
- August 31, 2015 » Nginx server config by direct IP instead domain server
- August 31, 2015 » Fail2ban
- August 29, 2015 » PostgreSQL recommended configuration
- August 29, 2015 » Preventing data loss when leaving page with onbeforeunload event
- August 28, 2015 » Deploying with Capistrano: warning: setlocale: LC_CTYPE: Can not change locale
- August 25, 2015 » System logging review with journalctl
- August 25, 2015 » SSHD Logging
- August 25, 2015 » HOST fingerprint
- August 24, 2015 » Create nondigest versions of all ckeditor digest assets
- August 20, 2015 » Undo last commit and push
- August 20, 2015 » IPTables
- August 20, 2015 » Prevent YUM from updating the kernel
- August 20, 2015 » sshd config
- August 20, 2015 » SELinux
- August 20, 2015 » Security
- August 20, 2015 » Firewalld and iptables
- August 20, 2015 » Autossh
- August 18, 2015 » Calculate checksum on Windows
- August 18, 2015 » Mount a Virtualbox shared folder
- August 18, 2015 » Autostart ssh agent
- August 13, 2015 » Checkout only some file from origin/master
- August 13, 2015 » Install Fedora in VirtualBox VM
- August 13, 2015 » Capistrano shell environments variables
- August 12, 2015 » Bash initialisation files
- August 10, 2015 » Linux System info
- August 10, 2015 » Monit - system monitorization tool
- August 9, 2015 » Regular expressions
- August 8, 2015 » Understanding SSHKit
- August 7, 2015 » Read text file
- August 7, 2015 » Using Chef to provision a Rails and Postgres server
- August 7, 2015 » Tailing log files with Capistrano 3
- August 7, 2015 » Deploy branches with Capistrano
- August 5, 2015 » SSH passwordless authentication with public key
- August 5, 2015 » 4 Steps to Perform SSH Login Without Password Using ssh-keygen & ssh-copy-id
- August 5, 2015 » SSH Agent
- August 5, 2015 » Creating server in DreamHost.com
- August 5, 2015 » Force SSH do not use key and ask for password
- August 5, 2015 » Thin server configuration file
- August 5, 2015 » Capistrano deploy to different instances on same cloud provider
- August 4, 2015 » Types of linux shells
- August 4, 2015 » Check if it's a login shell
- August 4, 2015 » About users and groups
- August 3, 2015 » Restore postgresql database
- August 3, 2015 » Resolve a conflict and test a remote branch in local machine before merging
- August 3, 2015 » Discard local changes and rever local master to origin
- August 3, 2015 » nil? vs empty? vs blank?
- August 3, 2015 » Execute model's method in command console or with a cronjob
- August 3, 2015 » Execute JS and submit form
- August 3, 2015 » Do not install gems documentation
- August 3, 2015 » Seed data from a file
- August 3, 2015 » SSL in local development
- August 3, 2015 » REFINERY CMS clean install
- August 3, 2015 » Read text files
- August 3, 2015 » Rake task to feed the database
- August 3, 2015 » Mark some photos with a boolean field to be included in a carrousel
- August 3, 2015 » Do not bundle install on new app creation
- August 3, 2015 » Date and DateTime differences
- August 3, 2015 » rake db:migrate fails with unitialized constant CKEditor
- August 3, 2015 » rsync to download backup from server
- August 3, 2015 » Proxy HTTPS requests to a HTTP backend with NGINX
- August 3, 2015 » Bash
- August 3, 2015 » Search patterns in a file
- August 3, 2015 » Report or delete repeated lines in sorted file
- August 3, 2015 » Extract strings from a file
- August 3, 2015 » Count lines, words in a file
- August 3, 2015 » Copy standard output to a file
- August 3, 2015 » Change characters inside a file
- August 3, 2015 » Input field validation in JS
- August 3, 2015 » Numbering sections and paragraphs with CSS
- August 3, 2015 » Conditionally add css class
July
- July 19, 2015 » Sort file contents
- July 19, 2015 » Combine file contents
- July 18, 2015 » Text/file manipulation
- July 14, 2015 » HABTM association migration
- July 13, 2015 » PostgreSQL
- July 13, 2015 » Sorcery & RSpec
- July 13, 2015 » Simple user authentification
- July 13, 2015 » Ruby
- July 13, 2015 » Rails
- July 13, 2015 » New app
- July 13, 2015 » Image upload with ImageMagick
- July 13, 2015 » I18n
- July 13, 2015 » Email configuration
- July 13, 2015 » Eager load
- July 13, 2015 » Custom logger
- July 13, 2015 » Activer record associations
- July 13, 2015 » Terminal configuration in Kitty Putty
- July 13, 2015 » Sublime Text 3
- July 13, 2015 » node.js installation
- July 13, 2015 » nginx
- July 13, 2015 » Linux
- July 13, 2015 » fedora
- July 13, 2015 » bash aliases
- July 13, 2015 » Javascript
- July 13, 2015 » Calculate week number in JS
- July 13, 2015 » AngularJS
- July 13, 2015 » VirtualBox
- July 13, 2015 » Staging
- July 13, 2015 » Spring & Guard
- July 13, 2015 » Setting up development environment
- July 13, 2015 » Ruby, Node, Rails on Ubuntu 14.04
- July 13, 2015 » RSpec
- July 13, 2015 » rbenv
- July 13, 2015 » Rake tasks
- July 13, 2015 » Deployment
- July 13, 2015 » Capistrano
- July 13, 2015 » Advanced CSS
- July 12, 2015 » PSD to HTML
- July 7, 2015 » Whenever gem
- July 7, 2015 » cronjob
2011
December